Modular Gas Detection Device for Fast Sensor and Pump Replacement
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Solution Overview
Problem
Existing gas detection devices require significant manpower, time, and cost for maintenance and repair due to the need for multiple devices to detect different gases, and lack modular components that can be easily replaced.
Innovation Solution
A gas detection device with modularized pump and sensor modules that are slidably detachable and insertable, allowing for efficient replacement and maintenance without additional equipment, and a case design with a rotatable or slidable cover for easy access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple separate gas detection devices are used to detect different gases, then gas detection capability is improved, but device complexity and maintenance cost increase
Solution Approach 1:
The patent implements a universal gas detection device that can detect multiple types of gases (CO, CO2, H2, O2, CH4) using a single integrated system. The device employs multiple sensor modules that can be selectively activated based on detection needs, allowing one device to perform the functions of multiple specialized devices while reducing overall system complexity and maintenance requirements
2Device complexity
If gas detection device components are integrated into a single unit, then device complexity is reduced, but ease of repair worsens due to difficulty in replacing individual components
Solution Approach 1:
The patent divides the gas detection device into distinct modular components: a pump module, multiple sensor modules (each detectable for specific gases), a control module, and a power supply module. Each module is housed in a separate compartment with independent access, allowing technicians to replace only the malfunctioning module without disassembling the entire device. This segmentation maintains integrated operation while enabling easy repair of individual components
3Ease of repair
If modular components are made detachable for easy replacement, then ease of repair is improved, but device complexity increases due to additional connection interfaces
Solution Approach 1:
The device is segmented into independently replaceable modules (pump module, sensor modules, control module, power supply module) each with standardized connection interfaces. These interfaces are designed to be simple and robust, requiring minimal tools for connection and disconnection, thus the added complexity of multiple interfaces is offset by their simplicity and standardization
4Manufacturing precision
If maintenance requires disassembly of the device, then ease of repair is worsened, but manufacturing precision can be maintained
Solution Approach 1:
Each module is designed as a self-contained unit with standardized mounting interfaces that maintain precise alignment and sealing without requiring complex disassembly of the main device body. The modular architecture allows replacement of components while preserving the precision of the overall device structure, as each module is manufactured and tested independently before integration
Data Source
AI summary
A gas detection device comprises a pump module for drawing in air; a sensor module including a plurality of unit sensors detecting a gas included in the air; a driving module driving the pump module and the sensor module; and a case including a main body mounted to allow at least one among the pump module, the sensor module, and the driving module to be detachable and a cover connected to the main body to allow the at least one among the pump module, the sensor module, and the driving module to be exposed.